🌡️
Heat Advisory
◍ Western Chippewa · USA · updated 7/12/2026, 7:17:00 PM
⏱ In effect until 3:30 AM UTC-4
Severity score
65/100
Confidence
High
Why this matters
* WHAT...Actual temperatures of 89 to 95 degrees expected. Heat index values between 96 and 102 expected. Overnight temperatures Monday night will struggle to get below 75 degrees. The hottest conditions are expected away from the immediate Lake Michigan shore. * WHERE...Chippewa and Mackinac counties in eastern upper Michigan, including Mackinac and Bois Blanc islands. * WHEN...From noon Monday
Key stats
Severity
Moderate
Certainty
Likely
Urgency
Expected
Timeline
- Heat Advisory7/12/2026, 7:17:00 PMHeat Advisory issued July 12 at 3:17PM EDT until July 14 at 8:00AM EDT by NWS Gaylord MI
Sources & attribution
OfficialNWS NWS Gaylord MIupdated 7/12/2026, 7:17:00 PM
OfficialNWS NWS Gaylord MIupdated 7/12/2026, 7:17:00 PM
OfficialNWS NWS Gaylord MIupdated 7/12/2026, 7:17:00 PM
OfficialNWS NWS Denver COupdated 7/12/2026, 7:11:00 PM
OfficialNWS NWS San Diego CAupdated 7/12/2026, 7:00:00 PM
OfficialNWS NWS Boise IDupdated 7/12/2026, 6:47:00 PM
OfficialNWS NWS La Crosse WIupdated 7/12/2026, 6:33:00 PM
OfficialNWS NWS Green Bay WIupdated 7/12/2026, 6:33:00 PM
OfficialNWS NWS Marquette MIupdated 7/12/2026, 6:31:00 PM
OfficialNWS NWS Marquette MIupdated 7/12/2026, 6:31:00 PM
OfficialNWS NWS Marquette MIupdated 7/12/2026, 6:31:00 PM
OfficialNWS NWS Elko NVupdated 7/12/2026, 2:11:00 PM
OfficialNWS NWS Elko NVupdated 7/12/2026, 2:11:00 PM
OfficialNWS NWS Peachtree City GAupdated 7/12/2026, 6:01:00 AM
⚠This is an informational severity score, not an official warning. Follow guidance from NWS/NOAA, FEMA (ready.gov), and local emergency management.